Cause
A policy option was entered more than once in the option string.
A policy option was entered more than once in the option string.
Remove the duplicate policy option value.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e12400.htm
https://community.oracle.com/message/3156926
Browse all solutions to database errors from Oracle, MS SQL, or MySQL